"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : 故障&可靠性测试
Case Name   : switchover后，新主节点执行备份，-h 指定新主节点
Create At   : 2020/11/30
@zou_jialiang0505328126
Description :
    1.主备切换
    2.新主节点执行备份，-h 指定新主节点
    3.使用备份文件恢复主机
    4.主备切换
Expect      :
    1.主备切换成功
    2.备份成功
    3.恢复成功
    4.主备切换成功
History     :
    modified by:@wan005 修改执行恢复节点由主节点换位备节点
"""

import os
import unittest
import sys
from yat.test import macro
from yat.test import Node

sys.path.append(sys.path[0] + "/../")
from testcase.utils.CommonSH import *
from testcase.utils.Common import Common
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger


class Basebackup(unittest.TestCase):
    commonshpri = CommonSH('PrimaryDbUser')
    commonshsta = CommonSH('Standby1DbUser')
    nodes_tuple = ('PrimaryDbUser', 'Standby1DbUser', 'Standby2DbUser')

    @RestartDbCluster(*nodes_tuple)
    def setUp(self):
        self.log = Logger()
        self.log.info('------------Opengauss_Reliability_Tools_Backup_Case011.py 开始执行------------')
        self.dbPrimaryDbUser = Node(node='PrimaryDbUser')
        self.dbStandby1DbUser = Node(node='Standby1DbUser')
        self.dbStandby2DbUser = Node(node='Standby2DbUser')
        self.dbStandby1Root = Node(node='Standby1Root')
        self.dbPrimaryRootNode = Node(node='PrimaryRoot')
        self.Constant = Constant()
        self.common = Common('PrimaryRoot')
        self.backup_file = os.path.join(macro.DB_BACKUP_PATH, 'backup_dir')
        self.standby_hostname = self.dbStandby1DbUser.sh('hostname').result()
        self.primary_hostname = self.dbPrimaryRootNode.sh('hostname').result()

        self.log.info('-------------------创建备份路径-----------------------------------')
        shell_cmd = f'rm -rf {self.backup_file}; mkdir {self.backup_file};'
        self.log.info(shell_cmd)
        result = self.dbStandby1DbUser.sh(shell_cmd).result()
        self.log.info(result)

    def test_backup(self):
        self.log.info("---------------1.主备切换：成功---------------------")
        result = self.commonshsta.executeGsctl('switchover', self.Constant.SWITCHOVER_SUCCESS_MSG)
        self.assertTrue(result)
        result = self.commonshsta.exec_refresh_conf()
        self.assertTrue(result)

        self.log.info('--------------------2.新主节点执行备份，-h 指定新主节点：成功----------------------------')
        result = self.commonshsta.execu_gs_backup('backup', self.standby_hostname, self.backup_file, "--all")
        self.assertIn(self.Constant.BACKUP_BACKUP_SUCCESS_MSG, result)
        cmd = f'ls -l {self.backup_file} |grep "^-"|wc -l'
        self.log.info(cmd)
        result = self.dbStandby1DbUser.sh(cmd).result()
        self.log.info(result)
        self.assertLess(0, int(result))

        self.log.info('-------------------3.使用备份文件恢复主机:成功-----------------------------------')
        result = self.commonshsta.execu_gs_backup('restore', self.standby_hostname, self.backup_file, "--all")
        self.assertIn(self.Constant.BACKUP_RESTORE_SUCCESS_MSG, result)

        self.log.info('-------------------4.主备切换:成功------------------------')
        result = self.commonshpri.executeGsctl('switchover', self.Constant.SWITCHOVER_SUCCESS_MSG)
        self.assertTrue(result)
        result = self.commonshpri.exec_refresh_conf()
        self.assertTrue(result)

    def tearDown(self):
        self.log.info('-------------------------环境清理------------------------')
        self.log.info('--------------------------删除备份文件------------------')
        shell_cmd = f'rm -rf {self.backup_file}'
        self.log.info(shell_cmd)
        result = self.dbPrimaryDbUser.sh(shell_cmd).result()
        self.log.info(result)
        result = self.dbStandby1DbUser.sh(shell_cmd).result()
        self.log.info(result)
        result = self.dbStandby2DbUser.sh(shell_cmd).result()
        self.log.info(result)

        self.log.info('--------------------------恢复主备关系------------------------')
        result = self.commonshpri.check_whether_need_switch(self.primary_hostname)
        if result:
            self.commonshpri.executeGsctl('switchover', self.Constant.SWITCHOVER_SUCCESS_MSG)
            self.commonshpri.exec_refresh_conf()
        self.log.info('----------Opengauss_Reliability_Tools_Backup_Case011.py 执行结束-----------------------')
